686331366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 1591349760

約数和(自身を除く): 905018394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 181, 274, 362, 411, 543, 659, 822, 959, 1086, 1267, 1318, 1918, 1977, 2534, 2877, 3801, 3954, 4613, 5754, 7602, 9226, 13839, 24797, 27678, 49594, 74391, 90283, 119279, 148782, 173579, 180566, 238558, 270849, 347158, 357837, 520737, 541698, 631981, 715674, 834953, 1041474, 1263962, 1669906, 1895943, 2504859, 3791886, 5009718, 16341223, 32682446, 49023669, 98047338, 114388561, 228777122, 343165683, 686331366]

約数ペア:

[(1, 686331366), (2, 343165683), (3, 228777122), (6, 114388561), (7, 98047338), (14, 49023669), (21, 32682446), (42, 16341223), (137, 5009718), (181, 3791886), (274, 2504859), (362, 1895943), (411, 1669906), (543, 1263962), (659, 1041474), (822, 834953), (959, 715674), (1086, 631981), (1267, 541698), (1318, 520737), (1918, 357837), (1977, 347158), (2534, 270849), (2877, 238558), (3801, 180566), (3954, 173579), (4613, 148782), (5754, 119279), (7602, 90283), (9226, 74391), (13839, 49594), (24797, 27678)]